Following is a transcript of the video. Narrator: There's a massive underwater sinkhole off the coast of Belize that extends 125 meters into the Earth's crust. It's called the Great Blue Hole.

a giant underwater sinkhole. Drink a piña colada on the beach or go hiking in the mountains. Tour Mayan ruins or see lots of underwater wildlife on a snorkeling expedition. Belize appeals to all ...

Nearly 27,000 years ago, a giant ground sloth traveled across a barren, arid landscape in what is now Belize, munching on grassy vegetation and searching for water. A nearby sinkhole may have ...